Pronunciation: (mou'sē, -zē), [key]
—adj., mous•i•er, mous•i•est.
1. resembling or suggesting a mouse, as in color or odor.
2. drab and colorless.
3. meek; timid: A drill sergeant can't be mousy!
4. quiet; noiseless: a mousy tread.
5. infested with mice. Also,mousey.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.